#!/usr/bin/elfsh
#
# Additional tests suite for shell commands .
#
# Danke to spendy for inspiring this filename
# 
# And please -dont- ask why 42 
#


# Start printing the help screens
help
info


# Uncomment me for a quiet output log
# quiet

# Now load the files
load 	/usr/bin/elfsh
load 	/lib/libc.so.6
list
switch 1 

exec ls -la

# Playing with print and exec commands 
print phnum is 1.hdr.phnum and got[21] is 1.got[21] 
print 11th section is 1.section[11].name


# Play with arithmetic ops
print   phnum = 1.hdr.phnum
add     1.hdr.phnum 42
print   phnum = 1.hdr.phnum
sub     1.hdr.phnum 41
print   phnum = 1.hdr.phnum
div     1.hdr.phnum 2
print   phnum = 1.hdr.phnum
mod     1.hdr.phnum 2
print   phnum = 1.hdr.phnum
mul     1.hdr.phnum 5
print   phnum = 1.hdr.phnum



# Playing a bit with the modules
cmdtest
modload ../../modules/modtest.so
print hehe
cmdtest
modunload ../../modules/modtest.so
print hehe


# ELF header tests
# Illustrate the object affectations between files

e
get 1.hdr.magic
set 1.hdr.magic	0x42424242
get 1.hdr.magic
e

set 1.hdr.type		  2.hdr.type
set 1.hdr.machine	  0x43
set 1.hdr.version	  0x44
set 1.hdr.entry		  .data

# Dont do those or you wont be able to see the change in the output file
#set 1.hdr.shoff	  0x46
#set 1.hdr.phoff	  0x47

set 1.hdr.ehsize	  0x48
set 1.hdr.shentsize 	  2.hdr.shentsize
set 1.hdr.phentsize	  2.hdr.shentsize
set 1.hdr.phnum	 	  3
set 1.hdr.shnum		  30
set 1.hdr.shstrndx	  31

# PAX flags tests

set 1.hdr.pax_pageexec            0				
set 1.hdr.pax_segmexec		  1
set 1.hdr.pax_emultramp		  0
set 1.hdr.pax_mprotect		  1
set 1.hdr.pax_randmmap		  0
set 1.hdr.pax_randexec		  1

e 

get 1.hdr.magic
get 1.hdr.type		
get 1.hdr.machine	
get 1.hdr.version	
get 1.hdr.entry		
get 1.hdr.phoff		
get 1.hdr.shoff		
get 1.hdr.ehsize	
get 1.hdr.shentsize	
get 1.hdr.phentsize	
get 1.hdr.phnum		
get 1.hdr.shnum	
get 1.hdr.shstrndx	


# PHT tests
# Illustrate elf.h constants resolving as immediate value 

p
set 1.pht[0].type	 ET_DYN		
set 1.pht[0].offset	 0x55		
set 1.pht[0].vaddr	 0x56		
set 1.pht[0].paddr	 0x57		
set 1.pht[0].filesz	 0x58		
set 1.pht[0].memsz	 0x59		
set 1.pht[0].flags	 0x60		
set 1.pht[0].align	 0x61		
p

get 1.pht[0].type
get 1.pht[0].offset
get 1.pht[0].vaddr
get 1.pht[0].paddr
get 1.pht[0].filesz
get 1.pht[0].memsz
get 1.pht[0].flags
get 1.pht[0].align



# SHT tests

s 01
set 	1.sht[1].type	 	0x54		
set 	1.sht[1].addr	 	0x55		
set 	1.sht[1].offset	 	0x56		
set 	1.sht[1].size	 	0x57		
set 	1.sht[1].link	 	0x58
set 	1.sht[1].info 		0x59		
set 	1.sht[1].align	 	0x60		
set 	1.sht[1].entsize	 	0x61		
set 	1.sht[1].a	 		 1
set 	1.sht[1].w	 		 1
set 	1.sht[1].x	 		 1
set 	1.sht[1].s	 		 1
set 	1.sht[1].m		 	 1
set 	1.sht[1].l			 1
set 	1.sht[1].o			 1
s

get 	1.sht[1].type	 	
get 	1.sht[1].addr	 	
get 	1.sht[1].offset	 	
get 	1.sht[1].size	 	
get 	1.sht[1].link	 	
get 	1.sht[1].info 		
get 	1.sht[1].align	 	
get 	1.sht[1].entsize	 	
get 	1.sht[1].a	 		
get 	1.sht[1].w	 		
get 	1.sht[1].x	 		
get 	1.sht[1].s	 		
get 	1.sht[1].m			
get 	1.sht[1].l
get 	1.sht[1].o




# SYMTAB tests

sym 03]
set 1.symtab[3].value	 0x62
set 1.symtab[3].size	 0x63		
set 1.symtab[3].bind	 1
set 1.symtab[3].type	 4
set 1.symtab[3].other	 2
sym 03]

get 1.symtab[3].value
get 1.symtab[3].size	 
get 1.symtab[3].bind	
get 1.symtab[3].type	
get 1.symtab[3].other


# DYNSYMTAB tests

dynsym 12]
set 1.dynsym[12].value	 0x67
set 1.dynsym[12].size	 0x68		
set 1.dynsym[12].bind	 1
set 1.dynsym[12].type	 6
set 1.dynsym[12].other	 2
dynsym 12]

get 1.dynsym[12].value
get 1.dynsym[12].size	 
get 1.dynsym[12].bind	
get 1.dynsym[12].type	
get 1.dynsym[12].other


# .DYNAMIC tests

dyn 07]
set 1.dynamic[7].val 	0x72
set 1.dynamic[7].tag 	0x73
dyn 07]

get 1.dynamic[7].val
get 1.dynamic[7].tag


# .GOT tests : you can also use filepath instead of their index

got 05]|13]
get 1.got[5]
set 1.got[5] 		/usr/bin/elfsh.got[13]
get 1.got[5]
got 05]|13]


# CTORS and DTORS tests
# Illustrate the (dyn)symbol resolving as immediate value

ctors
set 1.ctors[0] 0x41424344
set 1.ctors[1] malloc
ctors

dtors
set 1.dtors[1] 0x4546
set 1.dtors[0] free
dtors


# RELOCATION TABLE TESTS

rel 062]
set 1.rel[1][62].sym 		22
set 1.rel[1][62].offset 	0x08044800
set 1.rel[1][62].type   	R_386_GOTPC
rel 062]



# Now leave, unloaded files are closed without saving

save /tmp/elfsh.dumped
unload /usr/bin/elfsh
quit